This inventor holds 2 USPTO granted patents. Top assignees: Nippon Kokan Kabushiki Kaisha, Mazda Motor Corporation, Mitsubishi Petrochemical Company Limited. Active years: 1988-1992.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukichi Watanabe. Retrieved from https://idiyas.com/inventor/yukichi-watanabe
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 100.0
Average Co-Inventor Count = 6.4
ph-index = 2
Forward Citations = 40(Granted Patents)
Company Filing History:
Nippon Kokan Kabushiki Kaisha

Mazda Motor Corporation
Mitsubishi Petrochemical Company Limited
where one patent can have more than one assignee
Years Active: 1988-1992
Loading Chart...
2 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukichi Watanabe. Retrieved from https://idiyas.com/inventor/yukichi-watanabe
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]